US11332271B2 - Filling device for filling a holder with vulnerable products, and method therefor - Google Patents

Filling device for filling a holder with vulnerable products, and method therefor Download PDF

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Publication number
US11332271B2
US11332271B2 US15/577,255 US201615577255A US11332271B2 US 11332271 B2 US11332271 B2 US 11332271B2 US 201615577255 A US201615577255 A US 201615577255A US 11332271 B2 US11332271 B2 US 11332271B2
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Prior art keywords
filling
conveyor
holder
elevator conveyor
supply side
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US20180162571A1 (en
Inventor
Wilhelm Jan Nijland
Hendrik Jan Van Ooijen
Harm-Jan de Bruin
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De Greefs Wagen Carrosserie en Machinebouw BV
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De Greefs Wagen Carrosserie en Machinebouw BV
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Assigned to DE GREEF'S WAGEN - CARROSSERIE - EN MACHINEBOUW B.V. reassignment DE GREEF'S WAGEN - CARROSSERIE - EN MACHINEBOUW B.V. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: DE BRUIN, HARM-JAN, NIJLAND, WILHELM JAN, VAN OOIJEN, HENDRICK JAN
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B25/00—Packaging other articles presenting special problems
    • B65B25/02—Packaging agricultural or horticultural products
    • B65B25/04—Packaging fruit or vegetables
    • B65B25/046—Packaging fruit or vegetables in crates or boxes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
    • B65G15/30—Belts or like endless load-carriers
    • B65G15/32—Belts or like endless load-carriers made of rubber or plastics
    • B65G15/42—Belts or like endless load-carriers made of rubber or plastics having ribs, ridges, or other surface projections
    • B65G15/44—Belts or like endless load-carriers made of rubber or plastics having ribs, ridges, or other surface projections for impelling the loads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G21/00—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors
    • B65G21/10—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors movable, or having interchangeable or relatively movable parts; Devices for moving framework or parts thereof
    • B65G21/12—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors movable, or having interchangeable or relatively movable parts; Devices for moving framework or parts thereof to allow adjustment of position of load-carrier or traction element as a whole
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
    • B65G2201/02—Articles
    • B65G2201/0202—Agricultural and processed food products
    • B65G2201/0211—Fruits and vegetables

Definitions

  • the present invention relates to a filling device for filling a holder with products, in particular vulnerable products.
  • Such holders are for instance cases, containers, octabins and the like.
  • the vulnerable products are for instance potatoes, vegetables and fruit, more particularly fresh fruit which is susceptible to damage during handling thereof, such as apples and pears.
  • NL 1026073 and EP 1740465 describe a conventional filling device wherein products are supplied via a feed conveyor to a feed belt. From the feed belt the products roll or drop into a rotating brush with which the products are then transferred to a so-called disc distributor. From this disc distributor the products are distributed as uniformly as possible into for instance a case. In order to limit the vertical distance from the distributor to the height of the product in the case, and thereby prevent damage to the products, the case is moved in the height. An empty case is lifted up here, after which products are placed on or close to the bottom of the case. During the filling process the case moves to an increasingly lower position by lowering the case so that the drop distance remains limited during the whole filling process. The case is placed here on a forklift truck or other lifting device.
  • the object of the present invention is to provide a greater capacity of the filling device, whereby in addition the same processing capacity can be achieved with fewer filling devices.
  • the present invention provides for this purpose a filling device for filling a holder with vulnerable products, the filling device comprising:
  • a main frame provided with an elevator conveyor with a supply side and a filling side;
  • a distributing device connected operatively to the filling side of the elevator conveyor and provided with one or more distributors configured to distribute products over the holder;
  • height adjusting means configured to move the distributing device in the height relative to the holder such that the distributing device is movable in the height during filling of the holder
  • a supply side guide arranged on the main frame for operation with the height adjusting means and configured to align the supply side of the elevator conveyor with a delivery end of a feed conveyor during a movement of the distributing device in the height.
  • the conveyor is preferably provided for this purpose with a conveyor belt, and more particularly with a so-called corrugated belt. Products can hereby be moved in relatively simple and safe manner.
  • the elevator conveyor is preferably disposed here such that the products can be raised in the height such that they are then placeable with a distributing device into a holder, particularly into a case, or alternatively into a container, octabin or other holder.
  • the distributing device is arranged according to the invention on the filling side of the conveyor and is provided with one or more distributors configured to distribute products over the holder.
  • the distributing device can be provided here as so-called disc distributor.
  • the vulnerable products are distributed in effective and controlled manner over (a layer in) the holder.
  • the distributing device is provided here together with the filling side of the conveyor for movement in or on the main frame.
  • the distributing device preferably also comprises a brush for receiving and subsequently placing products on an upper distributor, for instance in the form of a disc or dish, of the distributing device.
  • an upper distributor for instance in the form of a disc or dish
  • the use of alternative distributing devices is likewise possible according to the invention.
  • a first upper distributor is provided with a number of spokes which extend substantially in a radial direction and on which flaps are provided. Using these rotating flaps the products are distributed over the second lower distributor in the form of a disc or dish in which an opening has been made.
  • This lower disc rotates at a rotation speed differing from that of the upper disc, whereby different products always arrive at the opening in this lower distributor.
  • These products preferably sink with flap through the opening, optionally onto another flap, and are subsequently placed in controlled manner in the holder. A uniform distribution of products over the holder is in this way realized.
  • the placing over the layer of products in the holder is in this way carried out in a controlled manner, whereby damage to the product is avoided.
  • the filling device is provided with height adjusting means which are configured to move the distributing device in the height relative to the holder.
  • the distributing device preferably together with the filling side of the elevator conveyor, is moved in the height during the filling process subject to the extent of filling of the holder.
  • the distance between the distributing device, in particular the lower distributor thereof, and the uppermost layer of products in the holder can in this way be kept to a minimum.
  • the height adjusting means are preferably height-adjustable in continuous manner here.
  • the distributing device can be displaced substantially in vertical direction without a substantial displacement in a horizontal plane.
  • An accurate positioning of the distributing device is hereby realized, whereby a better distribution of products in the holder is achieved, preferably with reduction of the risk of product damage.
  • the height adjusting means preferably comprise a guide track and a drive.
  • the drive applied can for instance be hydraulic, electrical or pneumatic.
  • the desired movement of the filling side of the conveyor and/or the distributing device can hereby be performed.
  • the height adjusting means are preferably configured to move the distributing device and the filling side of the elevator conveyor together in the height.
  • the filling side of this conveyor is preferably connected for this purpose to the distributing device so that they are movable in the height as a unit.
  • the angle of this conveyor to the horizontal changes.
  • This change of angle results on the supply side of the elevator conveyor in a change in the transfer of products between the feed conveyor and the elevator conveyor. Due to the change in height of the filling side the product, when entering the elevator conveyor on the supply side, will after all pass through a different angle in the direction of movement. There is therefore a risk of damage to the product here.
  • the (vertical) height of the distributing device and filling side of the elevator conveyor is adjustable according to the invention over an appreciable height during the filling process, the effective distance and/or effective angle to the horizontal between the feed conveyor and the elevator conveyor, i.e. the distance and/or angle between the transfer of the product from the one conveyor to the other, are also in principle not constant. This would increase the risk of damage to the product.
  • said problem with the transfer of products from the feed conveyor to the elevator conveyor is solved, or at least reduced, by providing the filling device with a supply side guide arranged on the main frame for operation with the height adjusting means.
  • This supply side guide is configured to align the supply side of the elevator conveyor with a delivery end of a feed conveyor during a movement of the distributing device in the height. Achieved with this guide is that the transfer between the different conveyors can be performed in controlled manner. This greatly reduces, and preferably even wholly avoids the risk of damage to the product. Loss of quality of the product is hereby prevented as well as loss of storage life of the product.
  • the supply side guide achieves that the distributing device is movable in the height in effective manner during the filling process without increasing the risk of damage to the product.
  • providing the supply side guide achieves that the rotation point of the elevator conveyor is as it were movable in a preferably horizontal plane while the distributing device and filling side of the elevator conveyor are movable in the height in a substantially vertical direction during the filling process without a substantial horizontal displacement.
  • the positioning of the products in the holder is hereby further improved compared to conventional filling devices.
  • the supply side guide provides in use for an alignment of the supply side of the elevator conveyor and the delivery end of the feed conveyor, particularly by keeping the distance between them substantially constant during a filling process. An effective transfer of the vulnerable products is hereby achieved.
  • Providing a supply side guide with guide track avoids the feed conveyor having to pivot or rotate around a fixedly disposed shaft. It is hereby possible to optimize the connection between the feed conveyor and the elevator conveyor and to have the supply side of the elevator conveyor undergo a controlled movement during movement of the filling device in the height. This achieves that a good alignment and good connection of the two conveyors to each other is realized. This further reduces the risk of damage to the product.
  • providing a guide track achieves that the distributing device, together with the filling side of the feed conveyor, is preferably movable in the height in a substantially straight vertical line, since the supply side of the elevator conveyor is disposed movably via the guide track.
  • too abrupt a transition in the direction of movement of the supplied products can also be avoided as far as possible. The risk of damage to products is hereby reduced still further.
  • the supply side guide comprises a guide curve which is configured such that the distance, more specifically the effective transfer distance of the products, between the delivery end of the feed conveyor and the supply side of the elevator conveyor remains substantially constant during the filling process.
  • the elevator conveyor preferably extends here, as seen in the direction of movement of the products, some distance on either side of the supply side guide.
  • the transfer of the products between the conveyors hereby becomes optimally adjustable in a greater range of possible positions of the distributing device and elevator conveyor.
  • the filling device comprises a supply controller provided with a product detector, wherein the supply controller is configured to control the elevator conveyor during positioning of the distributing device relative to a holder which has been filled or is yet to be filled such that the elevator conveyor fulfills a buffer function.
  • An optimal control of the elevator conveyor is made possible by providing a supply controller. It is thus possible with the supply controller according to the invention, during removal of a holder when the distributing device cannot place any products in a holder, to allow the feed conveyor to continue running. Using the product detector detection takes place of when a product is being supplied on the feed conveyor, after which the elevator conveyor is moved for a short interval of time and the feed conveyor can place the product onto the elevator conveyor. Following placing of the product the elevator conveyor can be brought to a stop by the supply controller until a subsequent product is detected. In this way the elevator conveyor can as it were be filled with products and thereby fulfil a buffer function.
  • the distributing device in addition to the buffering on the elevator conveyor, the distributing device, or distributor/distributing disc, can also be activated for a time in order to provide additional buffer capacity.
  • a new holder can for instance be placed and the distributing device can be positioned, after which the filling process can be restarted and the supply controller sets the elevator conveyor into operation again in the usual manner during the filling process.
  • the supply system with the feed conveyor can in this way continue to run during the whole process and unnecessary standstill is avoided.
  • the whole capacity of the line is hereby further increased.
  • the supply controller is preferably also configured to additionally control the distributing device such that the distributing device, and in particular the distributing disc/distributors thereof, fulfils an additional buffer function.
  • An additional buffering is hereby made possible.
  • the filling device comprises a first filling position and a second filling position.
  • Providing the filling device with a first and a second filling position enables a further increase in the capacity of the filling device as a whole.
  • the filling process can continue at the other filling position. It is also possible if desired to provide even more than two filling positions.
  • the main frame is preferably provided for movement over a substructure in a direction substantially transversely of the direction of movement of the product on the elevator conveyor such that the distributing device is displaceable from a first holder in the first filling position to a second holder in the second filling position.
  • the movement of the main frame from the first filling position to the second filling position can be performed in different ways. Use can be made here of guides, rails, wheels and/or bearings. It is also possible to displace the conveyor and distributing device inside the frame using a substructure or sub-frame. The capacity of the filling device as a whole can in this way be further increased.
  • the filling device also comprises a number of wheels for displacing the filling device.
  • a mobile filling device is in fact hereby obtained.
  • the wheels can also be used if desired in an embodiment wherein there are two or more filling positions.
  • a user-friendly and flexibly deployable filling device is hereby provided.
  • the present invention also relates to a method for filling a holder with vulnerable products, comprising of:
  • the distributing device is moved in height direction during the filling and wherein during movement of the distributing device in the height direction the positions of the supply side of the elevator conveyor and the delivery end of a feed conveyor are aligned using the supply side guide;
  • the method provides the same advantages and effects as described for the filling device.
  • a greater capacity of the filling process is provided with a single filling device, in particular preferably in combination with a reduction in the risk of product damage or product loss.
  • the method according to the invention preferably provides for an alignment between the delivery end of the feed conveyor and the supply side of the elevator conveyor, wherein the distance between the two preferably remains substantially constant during a filling process.
  • Use is preferably made here of a guide track in the form of a guide curve in order to have the movement of the elevator conveyor on the supply side take place as well as possible.
  • a buffer function is also provided on the elevator conveyor using a supply controller.
  • the feed conveyor can preferably continue to operate here for a determined time during changing of a holder and, using the supply controller and a product detector, the elevator conveyor is moved for the purpose of receiving a product and then stopped again until the following product is supplied.
  • a holder can in this way be changed and/or the distributing device can be moved from a first to a second filling position. Standstill in the supply line is hereby avoided.
  • the filling device comprises on or close to the distributing device an ultrasonic sensor configured to measure a filling height of the holder.
  • the ultrasonic sensor achieves that the height of the bottom of the case and/or the filling height in the case can be measured, on the basis of which the height of the filling head can then preferably be automatically determined and controlled. Because contact between for instance a brush under the distributing device and the products is hereby avoided, the risk of abrasion damage is reduced.
  • the ultrasonic sensor is preferably mounted under the distributing disc of the distributing device. The ultrasonic sensor transmits sound waves downward and thus measures the distance between the distributing disc and the surface thereunder, i.e. the bottom of the case or the top of the filling of the case consisting of fruits, for instance apples or pears.
  • FIG. 1 is a view of a filling device according to the invention
  • FIG. 2 is a side view of the filling device of FIG. 1 ;
  • FIG. 3 is a view on the filling side of the filling device of FIG. 1 ;
  • FIG. 4 is a top view of the filling device of FIG. 1 , also showing schematically a second filling position;
  • FIGS. 5 and 6 are schematic top views of a filling device with two filling positions.
  • FIGS. 7A-B and 8 A-B show views of the supply side guide of the filling device of FIG. 1 in different positions.
  • Filling device 2 ( FIG. 1 ) is provided with elevator conveyor 4 , comprising corrugated belt 6 with side walls 8 .
  • Conveyor 4 has supply side 10 and filling side 12 .
  • Conveyor 4 is supported in frame 14 which is placed using feet 16 on ground surface 18 .
  • Control box 20 is provided here on frame 14 .
  • a number of wheels 22 are optionally provided on frame 14 to enable simple displacement of filling device 2 after screwing or folding in of foot 16 .
  • Distributing device 28 comprises a first disc 30 provided with a number of spokes 32 with flap 34 , and a lower disc 36 provided with an opening 38 .
  • Distributing device 28 is driven here using motor 40 .
  • filling device 2 is provided with a portal construction 42 that includes a height adjuster 45 with two guides 44 and a drive 46 for moving the filling side 12 of conveyor 4 in the height together with distributor 28 .
  • filling device 2 is provided with a first filling position 48 and a second filling position 50 (see also FIGS. 3, 4, 5 and 6 ).
  • Filling device 2 is provided for this purpose with substructure 52 over which main frame 14 is displaceable using guides or support elements 54 .
  • filling device 2 is provided with control box 20 in which controller 56 ( FIG. 2 ) is arranged.
  • Controller 56 receives measurement signal 58 from product detector 60 which detects a product P on feed conveyor 62 with delivery side 63 .
  • Controller 56 then actuates drives 40 , 46 .
  • motor 40 is connected operatively to belt 4 and brush 26 so that an optimal alignment of the supply of products P is provided during filling of case 64 with products P.
  • frame 14 is provided on supply side 10 with fixedly disposed guide 66 in which a curved guide track 68 , or guide curve, is provided ( FIGS. 2, 7A -B and 8 A-B).
  • supply side 10 is provided movably in guide track 68 using pin or shaft 70 .
  • Pin or shaft 70 functions here as rotation shaft for feed conveyor 4 with corrugated belt 6 .
  • supply side 10 of elevator conveyor 4 will co-displace in track 68 such that an optimal alignment is provided between feed conveyor 62 and elevator conveyor 4 .
  • elevator conveyor 4 extends with respective parts 72 , 74 some distance on either side of guide track 68 .
  • distributing device 28 of filling device 2 is movable between a first filling position 48 and a second filling position 50 (see among others FIGS. 5 and 6 ).
  • the height of frame 14 amounts in a practical embodiment to about 2 to 2.5 m.
  • the width of filling device 2 in an embodiment with a single filling position 48 amounts to about 1 to 1.5 m and to about 2 to 4 m in an embodiment with double filling position 48 , 50 .
  • the overall length as seen in the direction of movement of product P amounts to about 2 to 4 m. Dimensions and number of filling positions 48 , 50 can be adapted to the practical conditions of the specific application.
  • distributing device 28 is then carried into this case 64 , or distributing device 28 is carried to second filling position 50 where another case 64 already stands waiting for filling.
  • Ultrasonic sensor 65 is optionally provided for the purpose of measuring the filling height of case 64 .
  • supply side 10 of conveyor 4 does not rotate around a fixedly disposed shaft, but around movable shaft 70 instead.
  • a guide track 68 for guiding shaft 70 , and thereby the movement of supply side 10 of conveyor 4 , during movement of filling side 12 in the height.
  • Guide track 68 provides an optimum alignment here between supply side 10 of conveyor 4 and the delivery point of feed conveyor 62 .
  • elevator conveyor 4 Just as feed conveyor 62 , will preferably operate continuously in order to reach an optimal capacity and avoid the risk of damage to products.
  • conveyor 4 is brought to a stop using supply controller 56 if no product P is detected with detector 60 .
  • Feed conveyor 62 can if desired continue to run.
  • elevator conveyor 4 is moved over a short distance in order to be able to receive product P. Products P are hereby buffered on elevator conveyor 4 until distributing device 28 is ready for further filling of case 64 .

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Container Filling Or Packaging Operations (AREA)
US15/577,255 2015-05-28 2016-05-19 Filling device for filling a holder with vulnerable products, and method therefor Active 2037-05-28 US11332271B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL2014878 2015-05-28
NL2014878A NL2014878B1 (nl) 2015-05-28 2015-05-28 Vulinrichting voor het vullen van een houder met kwetsbare producten en werkwijze daarvoor.
PCT/NL2016/050356 WO2016190731A1 (en) 2015-05-28 2016-05-19 Filling device for filling a holder with vulnerable products, and method therefor

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US20180162571A1 US20180162571A1 (en) 2018-06-14
US11332271B2 true US11332271B2 (en) 2022-05-17

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US (1) US11332271B2 (es)
EP (1) EP3303148B1 (es)
ES (1) ES2718764T3 (es)
NL (1) NL2014878B1 (es)
PL (1) PL3303148T3 (es)
WO (1) WO2016190731A1 (es)

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NL2014878B1 (nl) 2015-05-28 2017-01-31 De Greef's Wagen- Carrosserie- En Machb B V Vulinrichting voor het vullen van een houder met kwetsbare producten en werkwijze daarvoor.
US11129325B2 (en) * 2018-07-02 2021-09-28 Felton, Inc. Conveyance belt for high speed planting of seeds
US11465792B2 (en) * 2018-10-25 2022-10-11 And Y Knot Innovation And Sales Inc. Stacking and packaging device
US11198529B2 (en) 2019-04-01 2021-12-14 Harvest Croo, Llc Apparatus and method for filling a container with fragile fruit
CN110539912A (zh) * 2019-07-06 2019-12-06 朱周健 一种球形水果装箱机

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EP3303148A1 (en) 2018-04-11
NL2014878A (nl) 2016-12-08
PL3303148T3 (pl) 2019-06-28
WO2016190731A1 (en) 2016-12-01
ES2718764T3 (es) 2019-07-04
NL2014878B1 (nl) 2017-01-31
EP3303148B1 (en) 2019-01-02
US20180162571A1 (en) 2018-06-14

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